Experian hack exposes 15 million people’s personal information

Experian
We all know about the Equifax breach of 2017. 
But what about the smaller breach in 2015 of another of the Big Three national credit bureaus, Experian?

 

https://www.theguardian.com/business/2015/oct/01/experian-hack-t-mobile-credit-checks-personal-information